Atavachron

noun
A device used to prepare a time traveller’s cellular structure and brain patterns for survival in their selected time period.
Origin
Derived from atavus (ancestor) and khrónos (time).
Source
Star Trek: The Original Series

Deathday

noun
The anniversary of a person’s death, celebrated posthumously by a computer simulation of the deceased.
Source
Red Dwarf

Patlabor

noun
A type of robot originally intended for heavy construction work, adapted for police use to combat crime and terrorism.
Origin
Portmanteau of ‘patrol’ and ‘labor’.
Source
Mobile Police Patlabor

Holodeck

noun
A simulated reality installation.
Origin
Derived from ‘holographic’.
Source
Star Trek: The Next Generation

Tricorder

noun
A multifunction hand-held device used for sensor scanning, analysis and recording of data.
Origin
Formed from triplus (triple) and ‘recorder’.
Source
Star Trek: The Original Series